fix：增加导出功能

cjl

2023-11-15 df67fe187fae9ce9f486ea2f14c95a14d843e4a1

 screen-api/src/main/java/com/moral/api/pojo/vo/cityAQI/AirQualityComparisonVO.java

@@ -37,6 +37,10 @@

    private ConcentrationAndPercent serverDays;





    public String getCityName() {
        return cityName;
    }